The Rotary Un-Smartphone is a followup to this personal project. It's a production-ready ground-up design with all new parts (yes, the rotary dial too) and many neat bells and whistles.

* THIS IS A KIT, AND IT'S EXPERIMENTAL. SEE NOTE IN RED.*

Pocket-sized (11.0cm x 7.5cm x 3.0cm)

Light-weight (163g [6oz])

Full LTE connectivity. Obsolescence-proof for at least another decade... once I get network approvals.

Access and call your personal contacts perhaps faster than with a smartphone

Use your own SIM card with your favorite carrier's "Bring Your Own Device" option

Real (mechanical) ringer bell made gold or silver-coated brass; externally visible

Receive basic SMS messages and send pre-typed messages and numeric strings

2 displays: Front-side OLED for caller-ID and dial entry, and back-side ePaper for contacts display

Physical disconnect switch for the microphone

Mechanical power switch

MicroSD card stores contacts list as a text file

USB-C charging port

Documentation:

Build Instructions : The…